/* ===== Design Tokens ===== */
:root {
  --color-primary: #38993d;
  --color-primary-dark: #267029;
  --color-secondary: #00695C;
  --color-accent: #F57C00;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7F5;
  --color-bg-gray: #f7f7f7;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-light: #6B7280;
  --color-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-dark: #1A2332;
  --color-on-dark: #F5F7F5;
  --container-max: 1700px;
  --container-px: 40px;
  --section-px: 40px;
  --card-radius: 6px;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.08);
  --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--color-text); background: var(--color-bg);
  line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

/* ===== Container ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-px); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 36px; font-size: 15px; font-weight: 500; border-radius: var(--card-radius);
  cursor: pointer; transition: all var(--transition); border: 2px solid transparent; line-height: 1;
}
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: #fff; border-color: #fff; }
.btn-outline:hover { background: #fff; color: var(--color-primary); }
.btn-outline-dark { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline-dark:hover { background: var(--color-primary); color: #fff; }

/* ===== Section Header ===== */
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; position: relative; display: inline-block; }
.section-header p { font-size: 15px; color: var(--color-muted); max-width: 600px; margin: 0 auto; line-height: 1.7; }
.section-deco-line { width: 40px; height: 3px; background: var(--color-primary); margin: 0 auto 16px; border-radius: 2px; }
.title-deco-line { display: inline-block; width: 40px; height: 2px; background: var(--color-primary); vertical-align: middle; margin: 0 16px; }
.title-deco-line.left { background: linear-gradient(to right, transparent, var(--color-primary)); }
.title-deco-line.right { background: linear-gradient(to left, transparent, var(--color-primary)); }

/* Section title decoration (参考 stbiol.cn style) */
.section-title-deco {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  font-size: 14px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: 10px;
}
.section-title-deco span { display: block; width: 32px; height: 1px; background: var(--color-primary); }
.section-title-deco.light { color: rgba(255,255,255,0.85); }
.section-title-deco.light span { background: rgba(255,255,255,0.5); }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(10px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06); transition: all var(--transition);
}
.header.scrolled { background: rgba(255, 255, 255, 0.95); box-shadow: 0 2px 12px rgba(0,0,0,0.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 88px; }
.header-logo { display: flex; align-items: center; gap: 12px; }
.header-logo img { height: 60px; width: auto; }
.header-logo-text { display: flex; flex-direction: row; align-items: center; height: auto; }
.header-logo-text .brand-slogan { font-size: 13px; font-weight: 500; color: var(--color-primary); line-height: 1.5; letter-spacing: 0.3px; }
.header-logo-text .brand-slogan.slogan-hidden { display: none; }
.header-nav { display: flex; align-items: center; gap: 4px; height: 100%; }
.header-nav a {
  padding: 10px 16px; font-size: 15px; font-weight: 500; color: #555555;
  transition: color var(--transition); position: relative;
}
.header-nav a:hover { color: var(--color-primary); }
.header-nav a.active { color: var(--color-primary); font-weight: 700; }

/* Dropdown */
.header-nav .nav-dropdown { position: relative; height: 100%; display: flex; align-items: center; }
.header-nav .nav-dropdown > a { display: inline-flex; align-items: center; }
.nav-dropdown-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 240px; background: rgba(255, 255, 255, 0.85); border-radius: 0 0 var(--card-radius) var(--card-radius);
  box-shadow: none; padding: 8px 0;
  opacity: 0; visibility: hidden; transition: all var(--transition); z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; }
.nav-dropdown-menu a {
  display: block; padding: 10px 24px; font-size: 14px; color: var(--color-text); white-space: nowrap;
}
.nav-dropdown-menu a:hover { color: var(--color-primary); background: var(--color-bg-alt); }
.nav-dropdown-menu a::after { display: none; }
.header-actions { margin-left: 16px; display: flex; align-items: center; gap: 12px; }
.header-email { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--color-primary); text-decoration: none; transition: all var(--transition); }
.header-email svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.header-email:hover { color: var(--color-primary-dark, #267029); }
.header-actions .utility-item { border-radius: 6px; padding: 8px 12px; font-size: 13px; color: var(--color-text-light); cursor: pointer; background: none; border: none; display: flex; align-items: center; gap: 6px; transition: all var(--transition); }
.header-actions .utility-item:hover { color: var(--color-primary); background: rgba(56,153,61,0.06); }
.header-actions .utility-item svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

/* Mobile Menu Toggle */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; width: 44px; height: 44px; position: relative; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); position: absolute; left: 11px; transition: all var(--transition); }
.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 21px; }
.menu-toggle span:nth-child(3) { top: 28px; }
.menu-toggle.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ===== Sections ===== */
.section-products { padding: 80px 0; }
.section-hero { position: relative; width: 100%; overflow: hidden; height: 768px; }
.hero-carousel { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-dots {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; z-index: 5;
}
.hero-dot {
  width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4);
  border: none; cursor: pointer; padding: 0; transition: all var(--transition);
}
.hero-dot.active { background: #fff; transform: scale(1.3); }

/* ===== Products ===== */
.section-products { padding: 80px 0; background: var(--color-bg-gray); }
.products-header-wrap { display: flex; align-items: center; justify-content: flex-start; margin-bottom: 40px; gap: 24px; flex-wrap: nowrap; }
.products-header-left { min-width: 180px; flex-shrink: 0; }
.products-header-left h2 { font-size: 30px; font-weight: 700; margin-bottom: 8px; line-height: 1.2; white-space: nowrap; }
.section-products .section-deco-line { margin: 0 0 20px; }

.products-tabs { display: flex; gap: 12px; flex-wrap: nowrap; margin-left: auto; padding-left: 24px; }
.product-tab {
  display: flex; flex-direction: row; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 12px;
  font-size: 13px; font-weight: 700; color: #969696;
  border: none; border-radius: var(--card-radius);
  cursor: pointer; background: #ffffff;
  user-select: none; height: 110px; min-width: 0; flex: 1;
  /* 勿用 transition:all + transitionDelay：入场 stagger 残留会拖慢文字悬停变色 */
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.product-tab.active { color: #444444; }
.product-tab.active > span:last-child { color: #444444; }
.product-tab > span:last-child {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  text-align: center; line-height: 1.3; color: inherit;
  transition: color 0.2s ease;
}
.tab-icon { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.tab-icon svg { width: 100%; height: 100%; }
.tab-icon img {
  width: 100%; height: 100%; object-fit: contain;
  transition: filter 0.2s ease;
  filter: brightness(0) saturate(100%) invert(59%);
}
.product-tab:hover { color: #38993d; }
.product-tab:hover > span:last-child { color: #38993d; }
.product-tab:hover .tab-icon img {
  filter: brightness(0) saturate(100%) invert(39%) sepia(88%) saturate(362%) hue-rotate(86deg) brightness(94%) contrast(85%);
}
.product-tab.active:hover { color: #38993d; }
.product-tab.active:hover > span:last-child { color: #38993d; }

.products-swiper { margin-bottom: 40px; }
.products-swiper .swiper-slide { display: flex; gap: 20px; }
.product-card { cursor: pointer;
  background: #f0f0f0; border-radius: var(--card-radius); overflow: hidden;
  box-shadow: none; flex: 1;
  transition: background var(--transition), box-shadow var(--transition);
}
.product-card.active { background: #38993d; }
.product-card.active .product-card-body h3 { color: #555555; }
.product-card.active .product-card-body p,
.product-card.active .product-card-body .card-link { color: #ffffff; }
.product-card:hover { background: #307f34; }
.product-card.visible:hover { transform: translateY(-6px); }
.product-card:hover .product-card-body h3,
.product-card:hover .product-card-body p,
.product-card:hover .product-card-body .card-link { color: #ffffff; }
.product-card:hover .product-card-body { background: #307f34; }
.product-card-img { aspect-ratio: 1; overflow: hidden; background: var(--color-bg-alt); position: relative; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card-img::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,0.4);
  opacity: 0; transition: opacity 0.3s ease;
}
.product-card-img .plus-icon {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 48px; height: 48px;
  border: 2px solid #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; font-weight: 300;
  opacity: 0; transition: opacity 0.3s ease;
  z-index: 1;
}
.product-card:hover .product-card-img::after { opacity: 1; }
.product-card:hover .product-card-img .plus-icon { opacity: 1; }
.product-card-body { padding: 18px 16px; text-align: center; background: #f0f0f0; color: #555555; transition: background 0.3s ease; }
.product-card-body h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; color: #555555; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-body p { font-size: 13px; color: var(--color-muted); margin-bottom: 12px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-body .card-link { font-size: 13px; font-weight: 500; color: var(--color-primary); display: inline-flex; align-items: center; gap: 4px; }
.product-card-body .card-link:hover { gap: 8px; }

/* ===== Applications ===== */
.section-applications { padding: 120px 0; position: relative;
  background-size: cover; background-position: center; background-attachment: fixed;
  color: #fff;
}
.section-app-overlay { position: absolute; inset: 0; background: rgba(26,35,50,0.7); }
.section-app-content { position: relative; z-index: 2; }
.apps-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: center; }
.apps-cards-wrap { min-width: 0; }
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.apps-info-wrap { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.apps-info-icon { opacity: 0.85; }
.apps-info-title { font-size: 36px; font-weight: 700; color: #fff; line-height: 1.2; }
.apps-info-deco { width: 48px; height: 3px; background: var(--color-primary); border-radius: 2px; }
.apps-info-desc { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.8); margin: 0; }
.apps-info-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.12); color: #fff;
  transition: background 0.3s ease, transform 0.3s ease;
  margin-top: 8px;
}
.apps-info-arrow:hover { background: var(--color-primary); transform: translateX(4px); }
.app-card {
  background: #fff; border-radius: var(--card-radius); overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.app-card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0,0,0,0.14); }
.app-card-img { aspect-ratio: 4 / 3; overflow: hidden; background: #f0f0f0; }
.app-card-img img { width: 100%; height: 100%; display: block; object-fit: cover; }
.app-card-footer {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 16px;
  min-height: 72px; padding: 16px 20px; background: #fff;
}
.app-card-footer::before {
  content: ''; position: absolute; top: 50%; right: 20px; z-index: 0;
  width: 128px; height: 40px; border-radius: 22px;
  background: #f4f6f3; transform: translateY(-50%);
  transition: width 0.34s ease, right 0.34s ease, border-radius 0.34s ease;
}
.app-card:hover .app-card-footer::before {
  right: 12px; width: calc(100% - 24px); border-radius: 24px;
}
.app-card-footer h3 {
  position: relative; z-index: 1; align-self: center;
  font-size: 15px; font-weight: 600; color: var(--color-text); line-height: 1.4;
  transition: color 0.25s ease;
}
.app-card:hover .app-card-footer h3 { color: var(--color-primary); }
.app-card-btn {
  position: relative; z-index: 1; overflow: hidden;
  justify-self: end; align-self: center;
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px 8px 16px;
  font-size: 13px; font-weight: 500; color: var(--color-text);
  border: 0; border-radius: 20px;
  background: transparent; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
}
.app-card-btn .btn-text { position: relative; z-index: 1; }
.app-card-btn .arrow {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%; background: var(--color-primary);
  color: #fff; font-size: 12px;
}

/* ===== About Brief ===== */
.section-about-brief { padding: 72px 0; background: var(--color-bg-gray); }
.section-about-brief .section-header { margin-bottom: 24px; }
.section-about-brief .about-section-header { text-align: left; }
.section-about-brief .about-section-header .section-deco-line { margin: 0 0 20px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 0; }
.about-text p { font-size: 15px; color: var(--color-muted); line-height: 1.9; margin-bottom: 24px; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.about-stats .stat-item { text-align: center; padding: 16px 8px; }
.about-stats .stat-item .num { font-size: 24px; font-weight: 700; color: #444444; line-height: 1.2; margin-bottom: 6px; }
.about-stats .stat-item .label { font-size: 12px; color: var(--color-muted); }
.about-more { margin-top: 4px; margin-bottom: 40px; }

.about-media { display: flex; flex-direction: column; gap: 12px; }
.about-main-img { border-radius: var(--card-radius); overflow: hidden; }
.about-main-img img { width: 100%; height: 480px; object-fit: cover; }
.about-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.about-thumb { border-radius: 4px; overflow: hidden; aspect-ratio: 16/10; }
.about-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Why Choose Us ===== */
.section-why-choose { padding: 88px 0; position: relative;
  background-size: cover; background-position: center; background-attachment: fixed;
}
.why-choose-overlay { position: absolute; inset: 0; background: rgba(27,94,32,0.4); }
.why-choose-content { position: relative; z-index: 2; }
.why-choose-content .section-header h2 { color: #fff; }
.why-choose-content .section-deco-line { background: #fff; }
.why-choose-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.why-card { color: #fff; }
.why-card-inner {
  padding: 36px 32px; border: 1px solid rgba(255,255,255,0.25); border-radius: var(--card-radius);
  transition: all var(--transition); height: 100%;
}
.why-card:hover .why-card-inner { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); transform: translateY(-4px); }
.why-icon-wrap { margin-bottom: 16px; }
.why-icon { width: 48px; height: 48px; stroke: #fff; fill: none; opacity: 0.9; }
.why-icon-png {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}
.why-card-inner h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.why-card-inner p { font-size: 14px; line-height: 1.7; opacity: 0.85; }

/* ===== News ===== */
.section-news { padding: 80px 0 96px 0; background: var(--color-bg-gray); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-feature-layout { display: flex; gap: 48px; align-items: stretch; }
.news-feature-layout > .news-feature-card,
.news-feature-layout > .news-side-list { flex: 1; min-width: 0; }
.news-card { background: transparent; border-radius: 0; overflow: hidden; box-shadow: none; transition: transform var(--transition); }
.news-card:hover { box-shadow: none; transform: none; }
.news-link { display: block; }
.news-img { height: 200px; overflow: hidden; border-radius: 8px; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-card:hover .news-img img { transform: none; }
.news-info { padding: 24px; }
.news-info time { font-size: 12px; color: var(--color-muted); font-weight: 500; }
.news-info h3 { font-size: 16px; font-weight: 600; margin: 8px 0; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-info p { font-size: 13px; color: var(--color-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature-card .news-link { display: flex; flex-direction: column; }
.news-feature-card .news-img { height: auto; aspect-ratio: 16 / 10; flex-shrink: 0; }
.news-feature-card .news-info-block {
  display: grid; grid-template-columns: 120px 1fr; background: #f9f9f9; flex: 1;
}
.news-feature-card .news-date-cell {
  display: flex; align-items: center; justify-content: center;
  padding: 28px 0;
}
.news-feature-card .news-date-cell time {
  color: #b8bec4; font-size: 28px; font-weight: 700; line-height: 1; text-align: center;
}
.news-feature-card .news-text-cell {
  display: flex; flex-direction: column; justify-content: center;
  padding: 28px 24px;
}
.news-feature-card .news-text-cell h3 {
  margin: 0; color: var(--color-text); font-size: 18px; font-weight: 700; line-height: 1.45;
  -webkit-line-clamp: 2; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden;
}
.news-feature-card .news-text-cell p {
  display: none;
}
.news-side-list { display: flex; flex-direction: column; gap: 0; }
.news-side-list .news-side-card + .news-side-card { border-top: 1px solid var(--color-border); }
.news-side-card .news-link { display: grid; grid-template-columns: 92px 1fr; height: 100%; align-items: start; column-gap: 28px; }
.news-date-block {
  align-self: stretch; display: flex; align-items: center; justify-content: flex-start;
  color: #b8bec4; font-weight: 700;
}
.news-date-block time { font-size: 28px; line-height: 1; text-align: left; }
.news-side-card .news-info { padding: 24px 0; }
.news-side-card .news-info h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
.news-side-card .news-info p { color: #8e969d; line-height: 1.75; -webkit-line-clamp: 2; }

/* ===== Final CTA ===== */
.section-final-cta { padding: 96px 0; text-align: center;
  background-size: cover; background-position: center; background-attachment: fixed; position: relative;
}
.cta-overlay { position: absolute; inset: 0; background: rgba(26,35,50,0.85); }
.cta-content { position: relative; z-index: 2; color: #fff; max-width: 680px; margin: 0 auto; }
.cta-content h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.cta-content p { font-size: 16px; opacity: 0.9; margin-bottom: 24px; }
.cta-contact { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 32px; }
.cta-contact a { color: #fff; text-decoration: underline; }

/* ===== Utility Items (Top Bar) ===== */
.header-utility {
  display: flex; width: 100%; background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.utility-items {
  display: flex; align-items: center; gap: 0; margin: 0 auto;
  max-width: 1700px; width: 100%; padding: 0 var(--section-px);
}
.utility-item {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 18px; font-size: 14px; color: var(--color-text-light);
  text-decoration: none; cursor: pointer; border: none; background: none;
  transition: all var(--transition); position: relative; white-space: nowrap;
}
.utility-item:hover,
.utility-item.is-active { color: var(--color-primary); background: rgba(56,153,61,0.04); }
.utility-item svg { width: 16px; height: 16px; stroke: currentColor;
  fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Email utility */
.utility-email-link { color: inherit; text-decoration: none; }
.utility-email-link:hover { text-decoration: underline; }

/* Language Dropdown */
.lang-dropdown { position: relative; }
.lang-menu {
  position: absolute; right: 0; top: 100%; background: #fff;
  border: 1px solid var(--color-border); border-top: none;
  border-radius: 0 0 8px 8px; box-shadow: var(--shadow-md);
  padding: 8px 0; width: 140px; z-index: 120;
  opacity: 0; transform: translateY(-6px); visibility: hidden;
  transition: all 0.15s ease;
}
.lang-dropdown.is-open .lang-menu { opacity: 1; transform: translateY(0); visibility: visible; }
.lang-option {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  width: 100%; text-align: left; border: none; background: none;
  cursor: pointer; font-size: 14px; color: var(--color-text);
  transition: background var(--transition);
}
.lang-option:hover,
.lang-option.is-active { background: rgba(56,153,61,0.06); color: var(--color-primary); }

/* Search Overlay */
.search-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.35); z-index: 998; opacity: 0;
  visibility: hidden; transition: all 0.25s ease;
  pointer-events: none;
}
.search-overlay.active { opacity: 1; visibility: visible; pointer-events: auto; }
.search-overlay-content {
  background: #fff; max-width: 800px; margin: 60px auto 0;
  padding: 32px 40px; border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  position: relative; z-index: 999;
}
.search-overlay-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.search-overlay-title {
  font-size: 24px; font-weight: 600; color: var(--color-text);
  margin: 0;
}
.search-overlay-close {
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  background: none; border: none; width: 36px; height: 36px;
  border-radius: 50%; transition: background 0.2s ease;
}
.search-overlay-close:hover { background: #f5f5f5; }
.search-overlay-close svg { stroke: var(--color-text); stroke-width: 2; fill: none; }
.search-overlay-form { display: flex; align-items: center; gap: 12px; }
.search-overlay-input {
  flex: 1; padding: 14px 20px; font-size: 18px; font-weight: 400;
  border: 2px solid #e0e0e0; border-radius: 6px; background: #fafafa;
  color: var(--color-text); outline: none; transition: border-color 0.2s ease;
  box-sizing: border-box;
}
.search-overlay-input::placeholder { color: #aaa; }
.search-overlay-input:focus { border-color: var(--color-primary); background: #fff; }
.search-overlay-submit {
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  background: var(--color-primary); border: none; width: 48px; height: 48px;
  border-radius: 6px; transition: background 0.2s ease;
  flex-shrink: 0;
}
.search-overlay-submit:hover { background: var(--color-primary-dark, #267029); }
.search-overlay-submit svg { stroke: #fff; stroke-width: 2; fill: none; }

/* Responsive Utility */
@media (max-width: 768px) {
  .header-utility { display: none; }
  .header-logo-text .brand-slogan { display: none; }
  .header-inner { height: 60px; padding: 0 16px; }
  .header-logo img { height: 36px; }
  .header-logo-text { display: none; }
  .header-nav { display: none; }
  .header-actions { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
}

/* ===== Footer ===== */
.footer {
  position: relative; background: transparent; color: var(--color-on-dark);
  overflow: visible; margin-top: 0;
}
.footer-bg {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; background-position: center;
  opacity: 1; background-color: transparent;
}
.footer-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26, 35, 50, 0.6); }
.footer-content { position: relative; z-index: 2; }
.footer-content > .container { max-width: none; padding-left: 0; padding-right: 0; }
.footer-main { padding: 56px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr 1.2fr; gap: 32px; align-items: stretch; }
.footer-brand .footer-logo-wrap { margin-bottom: 20px; }
.footer-brand .footer-logo-wrap .header-logo-text { height: auto; }
.footer-brand .footer-logo-wrap .brand-slogan { font-size: 13px; color: var(--color-on-dark); font-weight: 500; line-height: 1.5; letter-spacing: 0.3px; }
.footer-brand .footer-tagline { font-size: 14px; opacity: 0.8; margin-bottom: 24px; line-height: 1.6; }
.footer-brand .footer-divider { width: 100%; height: 1px; background: rgba(255,255,255,0.15); margin-bottom: 24px; }
.footer-brand .footer-company-info { font-size: 13px; opacity: 0.7; line-height: 1.8; }
.footer-brand .footer-company-info p { margin-bottom: 4px; }

.footer-col h4 { font-size: 18px; font-weight: 600; margin-bottom: 20px; color: #fff; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; opacity: 0.7; transition: all var(--transition); }
.footer-col ul a:hover { opacity: 1; color: #4CAF50; padding-left: 4px; }

.footer-social { text-align: center; display: flex; flex-direction: column; align-items: center; align-self: flex-start; }
.footer-social h4 { text-align: center; }
.footer-social-icons { display: flex; justify-content: center; gap: 12px; margin-top: auto; transform: translateY(7px); }
.footer-logo-img img { width: 240px; }
.footer-social-icons a { font-size: 14px; opacity: 0.7; transition: opacity var(--transition); width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.3); border-radius: 50%; text-decoration: none; color: inherit; }
.footer-social-icons a:hover { opacity: 1; border-color: #4CAF50; color: #4CAF50; }
.footer-social-icons .social-qr-trigger { position: relative; cursor: pointer; }
.footer-social-icons .social-icon-text { font-size: 12px; font-weight: 600; }
.footer-social-icons .social-icon-svg { width: 100%; height: 100%; fill: currentColor; }
.footer-social-icons .social-qr-popup { display: none; position: absolute; bottom: calc(100% + 12px); left: 50%; transform: translateX(-50%); background: #fff; padding: 8px; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.15); z-index: 1000; min-width: 140px; }
.footer-social-icons .social-qr-popup img { width: 120px; height: 120px; object-fit: contain; display: block; }
.footer-social-icons .social-qr-trigger:hover .social-qr-popup { display: block; }
.footer-social-icons .social-qr-popup::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border: 6px solid transparent; border-top-color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; opacity: 0.6; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { opacity: 0.7; transition: opacity var(--transition); }
.footer-bottom-links a:hover { opacity: 1; }

/* ===== Inner Page Container Override ===== */
.section-breadcrumb .container,
.section-page-layout .container,
.section-products-layout .container,
.section-category-grid .container,
.section-product-list .container,
.section-tech-intro .container,
.section-pomf .container,
.section-tech-highlights .container,
.section-expert-team .container,
.section-app-scenarios .container,
.section-case-studies .container,
.section-news-list .container,
.section-about-profile .container,
.section-about-stats .container,
.section-culture .container,
.section-rd-strength .container,
.section-solutions .container,
.section-about-products .container,
.section-about-promise .container,
.section-mission-banner .container,
.section-map .container {
  max-width: 1400px;
}

/* ===== Page Layout (Left-Right for all inner pages) ===== */
.section-page-layout { padding-top: 50px; padding-bottom: 100px; background: var(--color-bg-alt); }
.page-layout-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.page-main { min-width: 0; }
.page-main-header { margin-bottom: 32px; }
.page-main-title { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.page-main-header .section-deco-line { margin: 0 0 16px; }
.page-main-desc { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

/* ===== Detail Content Styles ===== */
.detail-content { margin-top: 32px; margin-bottom: 48px; }
.detail-content p { font-size: 14px; line-height: 1.8; color: var(--color-text); margin-bottom: 16px; }
.detail-content h3 { font-size: 20px; font-weight: 700; margin: 32px 0 16px; color: var(--color-heading); }
.detail-content h4 { font-size: 16px; font-weight: 600; margin: 24px 0 12px; color: var(--color-heading); }
.detail-spec-table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.detail-spec-table td { padding: 12px 16px; border: 1px solid var(--color-border); }
.detail-spec-table tr:nth-child(even) { background: var(--color-bg-alt); }
.detail-spec-table td:first-child { width: 200px; font-weight: 500; background: var(--color-bg-alt); }
.page-sidebar {
  position: sticky; top: 104px;
  background: var(--color-surface); border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); padding: 28px 24px;
  margin-bottom: 48px;
}
.page-sidebar.no-sticky {
  position: static;
}

/* ===== Products Layout (Left-Right) ===== */
.section-products-layout { padding-top: 50px; padding-bottom: var(--section-py); background: var(--color-bg-alt); }
.products-layout-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }

/* Main content area */
.products-main { min-width: 0; }
.products-main-header { margin-bottom: 32px; }
.products-main-title { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.products-main-header .section-deco-line { margin: 0 0 16px; }
.products-main-desc { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

.products-category-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 32px; }
.p-cat-tab {
  display: flex; align-items: center; gap: 8px; padding: 10px 18px;
  font-size: 14px; font-weight: 500; color: var(--color-muted);
  border: 1px solid var(--color-border); border-radius: var(--card-radius);
  cursor: pointer; transition: all var(--transition); background: #fff;
  user-select: none;
}
.p-cat-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
.p-cat-tab.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.p-product-card {
  background: var(--color-surface); border-radius: var(--card-radius); overflow: hidden;
  box-shadow: var(--card-shadow); transition: all var(--transition);
  display: flex; flex-direction: column;
}
.p-product-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-6px); }
.p-product-card-img { height: 260px; overflow: hidden; background: var(--color-bg-alt); }
.p-product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.p-product-card-body { padding: 20px 16px; text-align: center; display: flex; flex-direction: column; flex: 1; }
.p-product-card-body h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--transition); color: #323232; }
.p-product-card-body p { display: none; }
.p-inquire-btn {
  display: inline-block; padding: 8px 32px; font-size: 13px; font-weight: 500;
  color: #808080; border: 1px solid var(--color-border); border-radius: var(--card-radius);
  transition: all var(--transition); background: #fff; margin-top: auto;
}
.p-product-card:hover .p-product-card-body h3 { color: var(--color-primary); }
.p-product-card:hover .p-inquire-btn { border-color: var(--color-primary); color: var(--color-primary); }

.search-no-result { grid-column: 1 / -1; text-align: center; padding: 48px 24px; color: var(--color-muted); font-size: 15px; }

/* Sidebar */
.products-sidebar {
  position: sticky; top: 104px;
  background: var(--color-surface); border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); padding: 28px 24px;
}
.sidebar-title { font-size: 18px; font-weight: 700; margin-bottom: 16px; color: var(--color-text); }
.sidebar-divider { height: 1px; background: var(--color-border); margin: 24px 0; }

/* Search */
.sidebar-search { margin-bottom: 4px; }
.search-box { display: flex; border: 1px solid var(--color-border); border-radius: var(--card-radius); overflow: hidden; transition: border-color var(--transition); }
.search-box:focus-within { border-color: var(--color-primary); }
.search-box input {
  flex: 1; padding: 10px 14px; font-size: 14px; border: none; outline: none;
  background: #fff; color: var(--color-text); font-family: inherit;
}
.search-box input::placeholder { color: #aaa; }
.search-box button {
  display: flex; align-items: center; justify-content: center;
  padding: 10px 14px; background: #fff; border: none; cursor: pointer;
  color: var(--color-muted); transition: color var(--transition);
}
.search-box button:hover { color: var(--color-primary); }

/* Category Tree */
.sidebar-categories { margin-bottom: 4px; }
.category-tree { display: flex; flex-direction: column; gap: 2px; }
.cat-group { border-radius: 4px; overflow: hidden; }
.cat-group.active > .cat-group-title { background: var(--color-primary); color: #fff; }
.cat-group-title {
  height: 68px;
  min-height: 68px;
  box-sizing: border-box;
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: all var(--transition);
  background: var(--color-bg-alt); color: #444444;
}
.cat-group-title > span:last-child {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.2;
}
.cat-group-title:hover { background: #e8ede8; }
.cat-group.active > .cat-group-title:hover { background: var(--color-primary-dark); }
.cat-group-icon { width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cat-group-icon img { width: 100%; height: 100%; object-fit: contain; filter: brightness(0) saturate(100%) invert(27%); }
.cat-group.active .cat-group-icon img { filter: brightness(0) invert(1); }
.cat-sub-list { display: flex; flex-direction: column; }
.cat-sub-item {
  display: block; padding: 8px 12px 8px 36px; font-size: 13px;
  color: #444444; transition: all var(--transition);
  border-bottom: 1px solid var(--color-border);
}
.cat-sub-item:last-child { border-bottom: none; }
.cat-sub-item:hover { color: var(--color-primary); background: var(--color-bg-alt); }

/* Latest Products */
.sidebar-latest { margin-bottom: 4px; }
.latest-products { display: flex; flex-direction: column; gap: 12px; }
.latest-item { display: flex; gap: 12px; align-items: center; }
.latest-item:hover { color: var(--color-primary); }
.latest-item-img { width: 64px; height: 64px; border-radius: 4px; overflow: hidden; flex-shrink: 0; background: var(--color-bg-alt); }
.latest-item-img img { width: 100%; height: 100%; object-fit: cover; }
.latest-item-info { min-width: 0; }
.latest-item-info h4 { font-size: 13px; font-weight: 600; line-height: 1.4; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.latest-item-info span { font-size: 11px; color: var(--color-muted); }
.search-box button {
  display: flex; align-items: center; justify-content: center;
  padding: 10px 14px; background: #fff; border: none; cursor: pointer;
  color: var(--color-muted); transition: color var(--transition);
}
.search-box button:hover { color: var(--color-primary); }

/* ===== Scroll Animations ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 1.2s ease, transform 1.2s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.app-card.fade-in.visible:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0,0,0,0.14); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

.slide-dir-left,
.slide-dir-right,
.slide-dir-up {
  opacity: 0;
  transition: opacity 1.5s ease, transform 1.5s ease;
}
.slide-dir-left { transform: translateX(-60px); }
.slide-dir-left.visible { transform: translateX(0); opacity: 1; }
.slide-dir-right { transform: translateX(60px); }
.slide-dir-right.visible { transform: translateX(0); opacity: 1; }
.slide-dir-up { transform: translateY(40px); }
.slide-dir-up.visible { transform: translateY(0); opacity: 1; }
.section-news .slide-dir-left,
.section-news .slide-dir-right {
  transition: opacity 2.5s ease, transform 2.5s ease;
}
/* Product cards entrance: bottom→top; keep hover transform snappy after visible */
.section-products .product-card.slide-dir-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease, background var(--transition), box-shadow var(--transition);
}
.section-products .product-card.slide-dir-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.section-products .product-card.slide-dir-up.visible:hover {
  transform: translateY(-6px);
  transition: opacity 0.7s ease, transform 0.3s ease, background var(--transition), box-shadow var(--transition);
}

/* ===== Responsive: Tablet ===== */
@media (max-width: 1024px) {
  :root { --section-py: 60px; --container-px: 24px; }
  .header-nav a { padding: 10px 10px; font-size: 14px; }
  .products-tabs { gap: 4px; }
  .product-tab { padding: 12px 14px; font-size: 13px; height: 110px; min-width: 100px; }
  .tab-icon { width: 30px; height: 30px; }
  .why-choose-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .apps-layout { grid-template-columns: 1fr; gap: 32px; }
  .apps-info-wrap { align-items: center; text-align: center; }
  .apps-info-title { font-size: 28px; }
  .apps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .news-feature-layout { grid-template-columns: 1fr; gap: 28px; }
  .news-feature-layout { flex-direction: column; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-main-img img { height: 240px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-social { grid-column: 1 / -1; }

  .category-cards { grid-template-columns: repeat(2, 1fr); }
  .product-list-grid { grid-template-columns: repeat(3, 1fr); }
  .pomf-features { grid-template-columns: repeat(2, 1fr); }
  .tech-intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .tech-intro-img img { height: 280px; }
  .expert-highlights { grid-template-columns: 1fr; }
  .expert-profile { grid-template-columns: 1fr; }
  .app-scenario-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list-grid { grid-template-columns: repeat(2, 1fr); }
  .about-profile-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-profile-text { display: block; }
  .about-profile-img img { height: 300px; }
  .about-key-stats { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: 1fr; }
  .contact-section { grid-template-columns: 1fr; gap: 32px; }
  .about-product-grid { grid-template-columns: repeat(2, 1fr); }
  .rd-grid { grid-template-columns: 1fr; }
  .solutions-layout { grid-template-columns: 1fr; gap: 32px; }
  .mission-banner { flex-direction: column; gap: 16px; padding: 32px 28px; }

  .products-layout-wrap { grid-template-columns: 1fr; gap: 32px; }
  .products-sidebar { position: static; }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .page-layout-wrap { grid-template-columns: 1fr; gap: 32px; }
  .page-sidebar { position: static; }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 768px) {
  :root { --section-py: 48px; --container-px: 20px; }
  .menu-toggle { display: block; margin-left: auto; }
  .header-nav {
    display: none;
    position: absolute; top: 100%; left: 0; width: 100%; background: #fff;
    flex-direction: column; padding: 20px; gap: 0;
    transform: translateY(-120%); opacity: 0; transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  .header-nav.open { display: flex; transform: translateY(0); opacity: 1; }
  .header-nav a { padding: 14px 0; font-size: 16px; width: 100%; border-bottom: 1px solid var(--color-border); }
  .header-nav a:last-child { border-bottom: none; }
  .header-actions { display: none; }
  .nav-dropdown-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; padding: 0 0 0 16px; min-width: auto;
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .nav-dropdown.open .nav-dropdown-menu { max-height: 500px; }
  .nav-dropdown-menu a { padding: 10px 0; font-size: 14px; border-bottom: 1px solid var(--color-border); }

  .section-header h2 { font-size: 26px; }
  .products-header-wrap { flex-direction: column; }
  .products-header-left { min-width: auto; margin-bottom: 16px; }
  .products-tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding-left: 0; }
  .product-tab { height: auto; min-width: auto; padding: 12px 8px; font-size: 12px; }
  .tab-icon { width: 30px; height: 30px; }

  .apps-layout { grid-template-columns: 1fr; gap: 24px; }
  .apps-info-wrap { align-items: center; text-align: center; }
  .apps-info-title { font-size: 24px; }
  .apps-grid { grid-template-columns: 1fr; }
  .app-card-img { height: 200px; }

  .section-about-brief { padding: var(--section-py) 0; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .about-main-img img { height: 200px; }
  .about-thumbs { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-stats .stat-item .num { font-size: 24px; }

  .why-choose-grid { grid-template-columns: 1fr; gap: 16px; }

  .news-grid { grid-template-columns: 1fr; }
  .news-img { height: 180px; }
  .news-feature-card .news-img { height: auto; }
  .news-side-card .news-link { grid-template-columns: 76px 1fr; column-gap: 18px; }
  .news-date-block time { font-size: 22px; }
  .news-side-card .news-info h3 { font-size: 16px; }

  .section-final-cta { background-attachment: scroll; }
  .cta-content h2 { font-size: 26px; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .section-applications { background-attachment: scroll; }
  .section-why-choose { background-attachment: scroll; }

  .section-inner-hero::after { padding-top: 35%; }
  .category-cards { grid-template-columns: 1fr; }
  .product-list-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .p-product-card-img { height: 180px; }
  .products-sidebar { padding: 20px 16px; }
  .page-sidebar { padding: 20px 16px; }
  .pomf-features { grid-template-columns: 1fr; }
  .tech-intro-grid { grid-template-columns: 1fr; }
  .tech-intro-img img { height: 200px; }
  .tech-timeline-item { flex-direction: column; gap: 12px; }
  .tech-timeline-num { width: auto; }
  .expert-highlights { grid-template-columns: 1fr; }
  .expert-profile { grid-template-columns: 1fr; gap: 18px; }
  .app-scenario-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card-img { height: 200px; }
  .news-list-grid { grid-template-columns: 1fr; }
  .about-profile-grid { grid-template-columns: 1fr; }
  .about-profile-text { display: block; }
  .about-profile-img img { height: 220px; }
  .about-key-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .key-stat-num { font-size: 28px; }
  .culture-grid { grid-template-columns: 1fr; }
  .contact-section { grid-template-columns: 1fr; }
  .about-product-grid { grid-template-columns: 1fr; }
  .mission-banner { padding: 24px 20px; }
  .mission-banner-body h2 { font-size: 20px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ===== Inner Page Hero ===== */
.section-inner-hero {
  position: relative; width: 100%;
  background-size: cover; background-position: center;
}
.section-inner-hero::after {
  content: ''; display: block; padding-top: 25%;
}
.inner-hero-overlay { position: absolute; inset: 0; }

/* ===== Breadcrumb ===== */
.section-breadcrumb { padding: 16px 0; background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-muted); }
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .current { color: var(--color-text); font-weight: 500; }

/* ===== Category Cards (Products Page) ===== */
.section-category-grid { padding: var(--section-py) 0; }
.category-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.category-card {
  background: var(--color-surface); border-radius: var(--card-radius); overflow: hidden;
  box-shadow: var(--card-shadow); transition: all var(--transition);
}
.category-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-6px); }
.category-card-img { height: 200px; overflow: hidden; }
.category-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover .category-card-img img { transform: scale(1.08); }
.category-card-body { padding: 24px; text-align: center; }
.category-card-icon { font-size: 32px; display: block; margin-bottom: 12px; }
.category-card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.category-card-body p { font-size: 14px; color: var(--color-muted); line-height: 1.7; margin-bottom: 16px; }
.category-card-body .card-link { font-size: 14px; font-weight: 500; color: var(--color-primary); }
.category-card-body .card-link:hover { letter-spacing: 1px; }

/* ===== Product List Section (Products Page) ===== */
.section-product-list { padding: var(--section-py) 0; background: var(--color-bg-alt); }
.product-filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.product-list-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== Technology Page ===== */
.section-tech-intro { padding: var(--section-py) 0; }
.tech-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.tech-intro-text h2 { font-size: 32px; font-weight: 700; margin-bottom: 8px; }
.tech-intro-text p { font-size: 15px; color: var(--color-muted); line-height: 1.9; margin-bottom: 16px; }
.tech-intro-img { border-radius: var(--card-radius); overflow: hidden; }
.tech-intro-img img { width: 100%; height: 360px; object-fit: cover; }

.section-pomf { padding: var(--section-py) 0; }
.pomf-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.pomf-feature {
  background: var(--color-surface); padding: 32px 24px; border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); text-align: center; transition: all var(--transition);
}
.pomf-feature:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.pomf-feature-icon { font-size: 36px; margin-bottom: 16px; }
.pomf-feature h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.pomf-feature p { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

.section-tech-highlights { padding: var(--section-py) 0; }
.tech-timeline { max-width: 800px; margin: 0 auto; }
.tech-timeline-item {
  display: flex; gap: 24px; align-items: flex-start; padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}
.tech-timeline-item:last-child { border-bottom: none; }
.tech-timeline-num {
  font-size: 36px; font-weight: 700; color: var(--color-primary); opacity: 0.3;
  line-height: 1; flex-shrink: 0; width: 60px;
}
.tech-timeline-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.tech-timeline-body p { font-size: 15px; color: var(--color-muted); line-height: 1.8; }

.section-expert-team { padding: var(--section-py) 0; }
.expert-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.expert-card {
  border: 1px solid var(--color-border); border-radius: var(--card-radius);
  transition: all var(--transition); overflow: hidden;
}
.expert-card:hover { border-color: var(--color-primary); box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.expert-card-inner { padding: 32px 28px; }
.expert-card-inner h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--color-primary); }
.expert-card-inner p { font-size: 14px; color: var(--color-muted); line-height: 1.8; }
.expert-profile { display: grid; grid-template-columns: 0.95fr 1.25fr; gap: 28px; }
.expert-profile-main,
.expert-info-block {
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: var(--card-radius); padding: 28px;
}
.expert-profile-main h3 { font-size: 22px; font-weight: 700; color: var(--color-primary); margin-bottom: 16px; }
.expert-profile-main p { font-size: 14px; color: var(--color-muted); line-height: 1.9; margin-bottom: 14px; }
.expert-profile-main p:last-child { margin-bottom: 0; }
.expert-profile-side { display: grid; gap: 18px; }
.expert-info-block h4 { font-size: 17px; font-weight: 700; color: var(--color-text); margin-bottom: 14px; }
.expert-info-block ol { padding-left: 20px; }
.expert-info-block li { font-size: 14px; color: var(--color-muted); line-height: 1.75; margin-bottom: 8px; }

/* ===== Applications Page ===== */
.section-app-scenarios { padding: var(--section-py) 0; }
.app-scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.app-scenario-card {
  background: var(--color-surface); padding: 36px 32px; border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); transition: all var(--transition);
  border-left: 4px solid var(--color-primary);
}
.app-scenario-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.app-scenario-icon { font-size: 32px; margin-bottom: 16px; }
.app-scenario-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.app-scenario-card p { font-size: 14px; color: var(--color-muted); line-height: 1.8; }

.section-case-studies { padding: var(--section-py) 0; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: var(--color-surface); border-radius: var(--card-radius); overflow: hidden;
  box-shadow: var(--card-shadow); transition: background var(--transition);
  display: flex; flex-direction: column; height: 100%;
}

.case-card-img { height: 240px; overflow: hidden; }
.case-card-img img { width: 100%; height: 100%; object-fit: cover; }
.case-card-body { padding: 24px; background: var(--color-surface); transition: background var(--transition); flex: 1; display: flex; flex-direction: column; }
.case-card:hover .case-card-body { background: #38993d; }
.case-card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; transition: color var(--transition); }
.case-card:hover .case-card-body h3 { color: #fff; }
.case-card-body p { font-size: 14px; color: var(--color-muted); line-height: 1.7; margin-bottom: 16px; transition: color var(--transition); }
.case-card:hover .case-card-body p { color: rgba(255,255,255,0.85); }
.case-card-body .card-link { font-size: 13px; font-weight: 500; color: var(--color-primary); display: inline-flex; align-items: center; gap: 4px; transition: color var(--transition); margin-top: auto; }
.case-card:hover .case-card-body .card-link { color: #fff; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.case-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 20px;
  background: var(--color-bg-alt); color: var(--color-primary); font-weight: 500;
  border: 1px solid var(--color-border);
}

/* ===== News List Page ===== */
.section-news-list { padding: var(--section-py) 0; }
.news-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-list-card {
  background: var(--color-surface); border-radius: var(--card-radius); overflow: hidden;
  box-shadow: var(--card-shadow);
}
.news-list-link { display: block; }
.news-list-img { height: 200px; overflow: hidden; }
.news-list-img img { width: 100%; height: 100%; object-fit: cover; }
.news-list-body { padding: 24px; background: #fff; }
.news-list-body time { font-size: 12px; color: var(--color-muted); font-weight: 500; }
.news-list-body h3 { font-size: 16px; font-weight: 600; margin: 8px 0; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: #333; }
.news-list-body p { font-size: 13px; color: var(--color-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-list-body .card-link { font-size: 13px; font-weight: 500; color: var(--color-primary); }
.news-list-card:hover .news-list-body { background: var(--color-primary); }
.news-list-card:hover .news-list-body h3 { color: #fff; }
.news-list-card:hover .news-list-body time { color: rgba(255,255,255,0.8); }
.news-list-card:hover .news-list-body p { color: rgba(255,255,255,0.8); }
.news-list-card:hover .news-list-body .card-link { color: #fff; }

/* ===== About Page ===== */
.section-about-profile { padding: var(--section-py) 0; }
.about-profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-profile-img { border-radius: var(--card-radius); overflow: hidden; }
.about-profile-img img { width: 100%; height: 400px; object-fit: cover; }
.about-profile-text { display: flex; flex-direction: column; justify-content: center; }
.about-profile-text h2 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.about-profile-text p { font-size: 14px; color: var(--color-muted); line-height: 2; margin-bottom: 14px; }
.about-profile-text .section-deco-line { margin: 0 0 16px; }

.about-content-body p { font-size: 15px; color: var(--color-muted); line-height: 2; margin-bottom: 20px; }
.about-content-body p em { font-style: italic; color: var(--color-primary); font-weight: 500; }
.about-content-body p:last-child { margin-bottom: 0; }

.section-about-stats { padding: var(--section-py) 0; }
.about-key-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.key-stat { padding: 32px 16px; background: var(--color-surface); border-radius: var(--card-radius); box-shadow: var(--card-shadow); }
.key-stat-num { font-size: 36px; font-weight: 700; color: var(--color-primary); line-height: 1.2; margin-bottom: 8px; }
.key-stat-num span { font-size: 16px; font-weight: 400; }
.key-stat-label { font-size: 14px; color: var(--color-muted); }

.section-culture { padding: var(--section-py) 0; }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.culture-card {
  background: var(--color-surface); padding: 36px 28px; border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); text-align: center; transition: all var(--transition);
}
.culture-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.culture-card-icon { font-size: 36px; margin-bottom: 16px; }
.culture-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.culture-card p { font-size: 14px; color: var(--color-muted); line-height: 1.8; }

/* ===== Mission Banner ===== */
.section-mission-banner { padding: 0 0 var(--section-py); }
.mission-banner {
  display: flex; align-items: flex-start; gap: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff; padding: 40px 44px; border-radius: var(--card-radius);
  box-shadow: 0 8px 32px rgba(56,153,61,0.18);
}
.mission-banner-icon { font-size: 44px; flex-shrink: 0; line-height: 1; margin-top: 4px; }
.mission-banner-body h2 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.mission-banner-body p { font-size: 15px; line-height: 1.9; opacity: 0.95; }

/* ===== About Products ===== */
.section-about-products { padding: var(--section-py) 0; }
.about-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 40px; }
.about-product-card {
  background: var(--color-surface); padding: 32px 24px; border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); text-align: center; transition: all var(--transition);
}
.about-product-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.about-product-card-icon { font-size: 36px; margin-bottom: 16px; }
.about-product-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.about-product-card p { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

.strain-tags-wrap { text-align: center; }
.strain-tags-wrap h3 { font-size: 18px; font-weight: 600; margin-bottom: 16px; color: var(--color-text); }
.strain-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.strain-tags span {
  display: inline-block; padding: 8px 20px; font-size: 13px; font-weight: 500;
  background: var(--color-surface); color: var(--color-primary);
  border: 1px solid var(--color-border); border-radius: 24px;
  transition: all var(--transition);
}
.strain-tags span:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ===== R&D Strength ===== */
.section-rd-strength { padding: var(--section-py) 0; }
.rd-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 36px; }
.rd-card {
  background: var(--color-surface); padding: 36px 28px; border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); text-align: center; transition: all var(--transition);
  border-top: 3px solid var(--color-primary);
}
.rd-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.rd-card-icon { font-size: 36px; margin-bottom: 16px; }
.rd-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; color: var(--color-text); }
.rd-card p { font-size: 14px; color: var(--color-muted); line-height: 1.7; }
.rd-desc { text-align: center; max-width: 800px; margin: 0 auto; }
.rd-desc p { font-size: 15px; color: var(--color-muted); line-height: 1.9; }

/* ===== Solutions ===== */
.section-solutions { padding: var(--section-py) 0; }
.solutions-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.solutions-left h2 { font-size: 28px; font-weight: 700; margin-bottom: 0; }
.solutions-left p { font-size: 15px; color: var(--color-muted); line-height: 1.9; }
.solutions-right { display: flex; flex-direction: column; gap: 18px; }
.solution-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--color-surface); padding: 20px 24px; border-radius: var(--card-radius);
  box-shadow: var(--card-shadow); transition: all var(--transition);
}
.solution-item:hover { box-shadow: var(--card-shadow-hover); transform: translateX(4px); }
.solution-item-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.solution-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.solution-item p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

/* ===== Promise ===== */
.section-about-promise { padding: var(--section-py) 0; }
.promise-content {
  text-align: center; max-width: 800px; margin: 0 auto;
}
.promise-content h2 { font-size: 24px; font-weight: 700; margin-bottom: 20px; color: var(--color-text); }
.promise-content p { font-size: 15px; color: var(--color-muted); line-height: 1.9; }

/* ===== Contact Page ===== */
.contact-section { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
.section-page-layout:has(.contact-section) { padding-bottom: 112px; }

.contact-left-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.contact-left-icon {
  width: 40px; height: 40px; border-radius: 4px;
  background: #1565C0; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-left-title { font-size: 22px; font-weight: 700; color: var(--color-text); }

.contact-left-info { margin-bottom: 24px; }
.contact-info-item {
  display: flex; align-items: center; gap: 12px; margin-bottom: 14px;
  font-size: 14px; color: var(--color-text); line-height: 1.8;
}
.contact-info-item strong { font-weight: 600; }
.contact-info-item a { color: var(--color-text); text-decoration: none; transition: color var(--transition); }
.contact-info-item a:hover { color: #38993d; }
.contact-info-icon {
  flex-shrink: 0; width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(56,153,61,0.3); border-radius: 50%;
  color: #38993d; transition: all var(--transition);
}
.contact-info-item:hover .contact-info-icon {
  border-color: #38993d; background: #38993d; color: #fff;
}
.contact-info-icon svg { width: 16px; height: 16px; fill: currentColor; }
.contact-info-text { flex: 1; }

.contact-social-links {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px;
}
.contact-social-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent; color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition); position: relative;
}
.contact-social-btn:hover {
  border-color: #4CAF50; color: #4CAF50;
}
.contact-social-btn svg { width: 16px; height: 16px; fill: currentColor; }
.contact-social-btn .social-qr-popup {
  display: none; position: absolute; bottom: calc(100% + 12px); left: 50%;
  transform: translateX(-50%); background: #fff; padding: 8px;
  border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  z-index: 1000; min-width: 140px;
}
.contact-social-btn .social-qr-popup img {
  width: 120px; height: 120px; object-fit: contain; display: block;
}
.contact-social-btn.social-qr-trigger:hover .social-qr-popup { display: block; }
.contact-social-btn .social-qr-popup::after {
  content: ''; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%); border: 6px solid transparent;
  border-top-color: #fff;
}
.contact-social-btn.social-qr-trigger { position: relative; cursor: pointer; }

.contact-right-title { font-size: 22px; font-weight: 700; color: var(--color-text); margin-bottom: 20px; }

.contact-form { background: var(--color-bg-alt); padding: 28px; border-radius: var(--card-radius); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--color-text); }
.form-group .required { color: #e53e3e; }
.form-group input, .form-group textarea {
  width: 100%; padding: 10px 14px; font-size: 14px; border: 1px solid var(--color-border);
  border-radius: 4px; background: #fff; color: var(--color-text);
  transition: border-color var(--transition); font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(56,153,61,0.1); }
.form-group textarea { resize: vertical; }

.form-buttons { display: flex; gap: 12px; margin-top: 8px; }
.btn-submit, .btn-reset {
  padding: 10px 32px; font-size: 14px; font-weight: 500; border-radius: 4px;
  cursor: pointer; transition: all var(--transition); border: 1px solid var(--color-border);
}
.btn-submit { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-submit:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-reset { background: #fff; color: var(--color-text); }
.btn-reset:hover { background: var(--color-bg-alt); }

/* ===== Map Placeholder ===== */
.section-map { padding: var(--section-py) 0; }
.map-placeholder {
  background: var(--color-bg-alt); border: 2px dashed var(--color-border);
  border-radius: var(--card-radius); height: 300px;
  display: flex; align-items: center; justify-content: center;
}
.map-inner { text-align: center; }
.map-pin { font-size: 48px; margin-bottom: 12px; }
.map-inner p { font-size: 15px; color: var(--color-muted); }

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .fade-in { opacity: 1; transform: none; }
  .slide-dir-left, .slide-dir-right, .slide-dir-up { opacity: 1; transform: none; }
}

/* ===== Force instant hover for news page (override .fade-in & JS delays) ===== */
.news-list-card,
.cat-sub-item,
.latest-item {
  transition: none !important;
  transform: none !important;
}

/* News list card: instant full background and text color change */
.news-list-card:hover .news-list-body {
  background: var(--color-primary) !important;
  transition: none !important;
}
.news-list-card:hover .news-list-body h3 { color: #fff !important; }
.news-list-card:hover .news-list-body time,
.news-list-card:hover .news-list-body p,
.news-list-card:hover .news-list-body .card-link { 
  color: rgba(255,255,255,0.9) !important; 
}

/* Category sidebar: instant highlight */
.cat-sub-item:hover {
  background: var(--color-primary) !important;
  color: #fff !important;
  transition: none !important;
}

/* Latest items: instant highlight and color */
.latest-item:hover {
  background: var(--color-bg-alt) !important;
  transition: none !important;
}
.latest-item:hover h4 { color: var(--color-primary) !important; }

/* ===== Search Results Page ===== */
.search-results-section {
  padding: 60px 0 var(--section-py);
}

.search-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 24px;
}

.search-results-header h1 {
  font-size: 32px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.search-results-form {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px;
  width: 100%;
  max-width: 400px;
  transition: border-color var(--transition);
}

.search-results-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.search-results-form input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text);
  outline: none;
}

.search-results-form input::placeholder {
  color: var(--color-muted);
}

.search-results-form button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--color-primary);
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition);
}

.search-results-form button:hover {
  background: var(--color-primary-dark);
}

.search-results-form button svg {
  width: 18px;
  height: 18px;
  stroke: #fff;
  stroke-width: 2;
  fill: none;
}

.search-results-summary {
  margin-bottom: 32px;
}

.search-count,
.search-empty-text {
  font-size: 16px;
  color: var(--color-text-secondary);
}

.search-count strong,
.search-empty-text strong {
  color: var(--color-primary);
}

.search-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.search-result-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
}

.search-result-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.search-result-img {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.search-result-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.search-result-card:hover .search-result-img img {
  transform: scale(1.05);
}

.search-result-info {
  display: flex;
  flex-direction: column;
  padding: 20px;
  gap: 8px;
}

.search-result-type {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.search-result-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
}

.search-result-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-category {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .search-results-header {
    flex-direction: column;
    align-items: stretch;
  }

  .search-results-header h1 {
    font-size: 24px;
  }

  .search-results-form {
    max-width: 100%;
  }

  .search-results-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Light Gray Section Title Overrides ===== */
.section-products .products-header-left h2,
.section-about-brief .section-header h2,
.section-news .section-header h2 {
    color: #444444;
}
.footer-logo-img { text-align: center; margin: 0 0 16px 0; }
.footer-logo-img img { display: inline-block; }

/* Case Tabs */
.case-tabs { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0; }
.case-tab { padding: 10px 20px; font-size: 14px; font-weight: 600; color: #969696; background: #fff; border: 1px solid #e0e0e0; border-radius: 6px; cursor: pointer; transition: all 0.3s; }
.case-tab:hover { color: #38993d; border-color: #38993d; }
.case-tab.active { color: #fff; background: #38993d; border-color: #38993d; }

/* ===== Mobile Optimizations ===== */
@media (max-width: 768px) {
  /* 案例页面tab优化 */
  .case-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 16px 0;
  }
  .case-tabs::-webkit-scrollbar { display: none; }
  .case-tab {
    min-width: 140px;
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 13px;
  }

  /* 页尾LOGO缩小 */
  .footer-logo-img img {
    width: 150px !important;
  }

  /* 案例详情页图片高度调整 */
  .about-profile-img img {
    height: 200px;
  }
}

/* 首页产品卡片移动端2个一行 */
@media (max-width: 768px) {
  .products-swiper .swiper-slide {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .product-card {
    margin-bottom: 0;
  }
}

/* ===== 移动端布局修复 ===== */
@media (max-width: 768px) {
  /* 产品页/案例页侧边栏堆叠 */
  .products-layout-wrap,
  .page-layout-wrap {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .products-sidebar,
  .page-sidebar {
    position: static !important;
    margin-bottom: 24px;
  }

  /* 首页产品卡片swiper修复 */
  .products-swiper .swiper-slide {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px;
  }

  /* 内页标题缩小 */
  .page-main-title,
  .products-main-title {
    font-size: 24px;
  }

  /* 面包屑字体缩小 */
  .breadcrumb {
    font-size: 12px;
  }

  /* 内页hero高度减小 */
  .section-inner-hero::after {
    padding-top: 30%;
  }

  /* 案例详情页图片 */
  .about-profile-img img {
    height: 200px;
  }

  /* 案例详情页文字区域 */
  .about-profile-text {
    padding: 0;
  }

  /* 页尾各列间距缩小 */
  .footer-main {
    padding: 32px 0 24px;
  }
  .footer-grid {
    gap: 24px;
  }
  .footer-col h4 {
    font-size: 16px;
    margin-bottom: 16px;
  }
  .footer-col ul a {
    font-size: 13px;
  }

  /* 分类tab移动端优化 */
  .products-category-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 20px;
  }
  .products-category-tabs::-webkit-scrollbar { display: none; }
  .p-cat-tab {
    min-width: 120px;
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 13px;
  }
}